Authorities believe everyone on board a passenger plane and a US Army helicopter that collided in mid-air before crashing into a river in Washington DC on Wednesday have been killed. An American ...

Investigators believe the prime suspect behind the loss of transponder transmissions from the Embraer Legacy involved in the Amazonian mid-air collision to be accidental deactivation while the ...

Aircraft technology that has been crucial to making big midair collisions exceptionally rare in the U.S. was limited in helping avoid Wednesday’s deadly collision between a commercial jetliner and ...